Created
December 24, 2015 10:00
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zip 打包文件, 向 zip 文件追加文件: 方式是创建新的, 拷贝旧的, 同时增加新的
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// zip_file | |
package main | |
import ( | |
"archive/zip" | |
"os" | |
"io" | |
) | |
func main() { | |
file, _ := os.OpenFile("/tmp/zip_file.zip", os.O_APPEND|os.O_WRONLY, 0600) | |
zw := zip.NewWriter(file) | |
defer zw.Close() | |
zf, _ := zw.Create("new_dir/content.txt") | |
zf.Write([]byte("content append")) | |
zw.Flush() | |
} | |
func copy() { | |
file, _ := os.Create("/tmp/zip_file_new.zip") | |
zr, _:= zip.OpenReader("/tmp/zip_file.zip") | |
zw := zip.NewWriter(file) | |
defer zr.Close() | |
defer zw.Close() | |
for _, f := range zr.File { | |
_w, _ := zw.Create(f.Name) | |
_r, _ := f.Open() | |
io.Copy(_w, _r) | |
} | |
zf, _ := zw.Create("dir_new/file_new.txt") | |
zf.Write([]byte("hello NEW world")) | |
zw.Flush() | |
} |
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